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Quiz 2

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MDCAT - Practice Test - Biology - Immunity Quiz

Attempt 10 MCQs on MDCAT - Practice Test - Biology - Immunity | Quiz 2

11. Which antibody is associated with mucosal immunity?

IgA
IgD
IgE
IgG

12. Which antibody triggers histamine release in allergies?

IgE
IgG
IgA
IgM

13. Which of the following is a professional antigen-presenting cell?

Dendritic cells
Neutrophils
Eosinophils
Basophils

14. Which MHC molecule presents antigens to CD4+ T cells?

MHC class I
MHC class II
Both
Neither

15. What theory explains how the immune system responds to specific antigens?

Clonal selection
Clonal deletion
Clonal anergy
Receptor editing

16. How does vaccination provide immunity?

Produces memory cells
Provides passive immunity
Kills pathogens directly
All of these

17. What type of immunity is obtained by receiving antibodies from another source?

Passive immunity
Active immunity
Innate immunity
Autoimmunity

18. What condition results from failure of self-tolerance?

Autoimmune disease
Immunodeficiency
Allergy
Anaphylaxis

19. Which functions are mediated by the complement system?

Opsonization
Membrane attack complex
Inflammation
All of these

20. What technology produces identical antibodies that recognize one specific epitope?

Monoclonal antibodies
Polyclonal antibodies
Hybridoma technology
All

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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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